30865104 has 80 divisors (see below), whose sum is σ = 91035840. Its totient is φ = 10005120.

The previous prime is 30865073. The next prime is 30865123. The reversal of 30865104 is 40156803.

30865104 is a `hidden beast` number, since 3 + 0 + 8 + 651 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15019 + ... + 16949.

It is an arithmetic number, because the mean of its divisors is an integer number (1137948).

Almost surely, 2^30865104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30865104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45517920).

30865104 is an abundant number, since it is smaller than the sum of its proper divisors (60170736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30865104 is a wasteful number, since it uses less digits than its factorization.

30865104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985 (or 1973 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 30865104 is about 5555.6371371788. The cubic root of 30865104 is about 313.6817471360.

The spelling of 30865104 in words is "thirty million, eight hundred sixty-five thousand, one hundred four".